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This document used to be maintained as a Google Docs, but having it
available in the Chromium repository makes it much easier to access for
partners.

BUG=None
TEST=Generated and checked HTML using Markdown.

Change-Id: I790504be2720150cebee151a585a2435ac35a494
Reviewed-on: https://chromium-review.googlesource.com/c/1322174
Commit-Queue: Alexandre Courbot <acourbot@chromium.org>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#606390}